{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898349,-0.439282,0.000000,0.000000,0.284101,-0.580998,0.762711,0.000000,-0.334101,0.683251,0.649265,0.000000,-2133956.908212,4364029.951422,4119192.639990,1],    "boundingVolume": {    "region": [2.025545,0.706580,2.025646,0.706654,0.000000,6.053931]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1819387.b3dm"}}}